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BoxRec ranks Jai Opetaia as the second-best cruiserweight. BoxRec is a website that provides comprehensive boxing records and rankings. It is widely considered to be the most authoritative source of boxing information. Opetaia's ranking is based on his impressive professional record, which includes 22 wins (17 by knockout) and no losses. He has also defeated several top-ranked cruiserweights, including Krzysztof Glowacki and Mairis Briedis.